polyphone noun. ['pɒlɪfǝʊn] Also polyphon [-fɒn]. M17.
[from Greek poluphōnos having many tones, formed as POLY- + phōnē voice, sound. See also POLYPHANT noun¹.]
1. Music (now Hist.).
a. = POLYPHANT noun¹. M17.
b. A clockwork or hand-operated musical box playing a tune when the corresponding perforated disc is inserted. E20.

2. Philology. A written character having more than one phonetic value; a letter or other symbol which stands for different sounds. L19.

[TahlilGaran] English Dictionary ▲